1 | /* |
---|
2 | orxonox - the future of 3D-vertical-scrollers |
---|
3 | |
---|
4 | Copyright (C) 2004 orx |
---|
5 | |
---|
6 | This program is free software; you can redistribute it and/or modify |
---|
7 | it under the terms of the GNU General Public License as published by |
---|
8 | the Free Software Foundation; either version 2, or (at your option) |
---|
9 | any later version. |
---|
10 | |
---|
11 | ### File Specific: |
---|
12 | main-programmer: Benjamin Wuest |
---|
13 | co-programmer: ... |
---|
14 | */ |
---|
15 | |
---|
16 | |
---|
17 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_NETWORK module |
---|
18 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
---|
19 | */ |
---|
20 | #define DEBUG_MODULE_NETWORK |
---|
21 | |
---|
22 | #include "factory.h" |
---|
23 | #include "network_stream.h" |
---|
24 | #include "converter.h" |
---|
25 | #include "p_node.h" |
---|
26 | |
---|
27 | /* include your own header */ |
---|
28 | #include "network_game_manager.h" |
---|
29 | |
---|
30 | |
---|
31 | /* using namespace std is default, this needs to be here */ |
---|
32 | using namespace std; |
---|
33 | |
---|
34 | NetworkGameManager* NetworkGameManager::singletonRef = NULL; |
---|
35 | |
---|
36 | /*! |
---|
37 | * Standard constructor |
---|
38 | */ |
---|
39 | NetworkGameManager::NetworkGameManager() |
---|
40 | { |
---|
41 | PRINTF(0)("START\n"); |
---|
42 | |
---|
43 | /* set the class id for the base object */ |
---|
44 | this->setClassID(CL_NETWORK_GAME_MANAGER, "NetworkGameManager"); |
---|
45 | |
---|
46 | allOutBuffer.length = 0; |
---|
47 | |
---|
48 | allOutBuffer.maxLength = 10*1024; |
---|
49 | |
---|
50 | allOutBuffer.buffer = new byte[10*1024]; |
---|
51 | |
---|
52 | newUniqueID = MAX_CONNECTIONS + 2; |
---|
53 | |
---|
54 | hasRequestedWorld = false; |
---|
55 | } |
---|
56 | |
---|
57 | /*! |
---|
58 | * Standard destructor |
---|
59 | */ |
---|
60 | NetworkGameManager::~NetworkGameManager() |
---|
61 | { |
---|
62 | for ( int i = 0; i<outBuffer.size(); i++) |
---|
63 | { |
---|
64 | if ( outBuffer[i].buffer ) |
---|
65 | delete outBuffer[i].buffer; |
---|
66 | } |
---|
67 | |
---|
68 | if ( allOutBuffer.buffer ) |
---|
69 | delete allOutBuffer.buffer; |
---|
70 | } |
---|
71 | |
---|
72 | |
---|
73 | int NetworkGameManager::writeBytes(const byte* data, int length, int sender) |
---|
74 | { |
---|
75 | int i = 0; |
---|
76 | byte b; |
---|
77 | |
---|
78 | while ( i<length ) |
---|
79 | { |
---|
80 | b = data[i++]; |
---|
81 | |
---|
82 | PRINTF(0)("WriteBytes: b = %d\n", b); |
---|
83 | |
---|
84 | if ( isServer() ) |
---|
85 | { |
---|
86 | if ( b == REQUEST_CREATE ) |
---|
87 | { |
---|
88 | if ( !handleRequestCreate( i, data, length, sender ) ) |
---|
89 | return i; |
---|
90 | continue; |
---|
91 | } |
---|
92 | if ( b == REQUEST_REMOVE ) |
---|
93 | { |
---|
94 | if ( !handleRequestRemove( i, data, length, sender ) ) |
---|
95 | return i; |
---|
96 | continue; |
---|
97 | } |
---|
98 | } |
---|
99 | else |
---|
100 | { |
---|
101 | if ( b == CREATE_ENTITY ) |
---|
102 | { |
---|
103 | if ( !handleCreateEntity( i, data, length, sender ) ) |
---|
104 | return i; |
---|
105 | continue; |
---|
106 | } |
---|
107 | if ( b == REMOVE_ENTITY ) |
---|
108 | { |
---|
109 | if ( !handleRemoveEntity( i, data, length, sender ) ) |
---|
110 | return i; |
---|
111 | continue; |
---|
112 | } |
---|
113 | if ( b == CREATE_ENTITY_LIST ) |
---|
114 | { |
---|
115 | if ( !handleCreateEntityList( i, data, length, sender ) ) |
---|
116 | return i; |
---|
117 | continue; |
---|
118 | } |
---|
119 | if ( b == REMOVE_ENTITY_LIST ) |
---|
120 | { |
---|
121 | if ( !handleRemoveEntityList( i, data, length, sender ) ) |
---|
122 | return i; |
---|
123 | continue; |
---|
124 | } |
---|
125 | if ( b == YOU_ARE_ENTITY ) |
---|
126 | { |
---|
127 | if ( !handleYouAreEntity( i, data, length, sender ) ) |
---|
128 | return i; |
---|
129 | continue; |
---|
130 | } |
---|
131 | } |
---|
132 | |
---|
133 | if ( b == REQUEST_SYNC ) |
---|
134 | { |
---|
135 | if ( !handleRequestSync( i, data, length, sender ) ) |
---|
136 | return i; |
---|
137 | continue; |
---|
138 | } |
---|
139 | |
---|
140 | if ( b == REQUEST_ENTITY_LIST ) |
---|
141 | { |
---|
142 | PRINTF(0)("sending THE list\n"); |
---|
143 | sendEntityList( sender ); |
---|
144 | continue; |
---|
145 | } |
---|
146 | |
---|
147 | //if we get her something with data is wrong |
---|
148 | PRINTF(1)("Data is not in the right format! i=%d\n", i); |
---|
149 | return i; |
---|
150 | } |
---|
151 | |
---|
152 | return i; |
---|
153 | } |
---|
154 | |
---|
155 | int NetworkGameManager::readBytes(byte* data, int maxLength, int * reciever) |
---|
156 | { |
---|
157 | if ( !isServer() && !hasRequestedWorld ) |
---|
158 | { |
---|
159 | SYNCHELP_WRITE_BEGIN(); |
---|
160 | byte b = REQUEST_ENTITY_LIST; |
---|
161 | SYNCHELP_WRITE_BYTE( b ); |
---|
162 | hasRequestedWorld = true; |
---|
163 | PRINTF(0)("the world is enough! id=%d\n", this->getUniqueID()); |
---|
164 | return SYNCHELP_WRITE_N; |
---|
165 | } |
---|
166 | for ( int i = 0; i<outBuffer.size(); i++ ) |
---|
167 | { |
---|
168 | *reciever = i; |
---|
169 | if ( outBuffer[i].length>0 ) |
---|
170 | { |
---|
171 | int nbytes = outBuffer[i].length; |
---|
172 | outBuffer[i].length = 0; |
---|
173 | |
---|
174 | if ( nbytes > maxLength ) |
---|
175 | { |
---|
176 | PRINTF(1)("OutBuffer.length (%d) > (%d) networkStreamBuffer.maxLength\n", nbytes, maxLength); |
---|
177 | return 0; |
---|
178 | } |
---|
179 | |
---|
180 | memcpy(data, outBuffer[i].buffer, nbytes); |
---|
181 | return nbytes; |
---|
182 | } |
---|
183 | } |
---|
184 | |
---|
185 | *reciever = 0; |
---|
186 | int nbytes = allOutBuffer.length; |
---|
187 | allOutBuffer.length = 0; |
---|
188 | |
---|
189 | if ( nbytes <=0 ) |
---|
190 | return 0; |
---|
191 | |
---|
192 | if ( nbytes > maxLength ) |
---|
193 | { |
---|
194 | PRINTF(1)("OutBuffer.length (%d) > (%d) networkStreamBuffer.length\n", nbytes, maxLength); |
---|
195 | return 0; |
---|
196 | } |
---|
197 | |
---|
198 | memcpy( data, allOutBuffer.buffer, nbytes ); |
---|
199 | return nbytes; |
---|
200 | } |
---|
201 | |
---|
202 | void NetworkGameManager::writeDebug() const |
---|
203 | { |
---|
204 | } |
---|
205 | |
---|
206 | void NetworkGameManager::readDebug() const |
---|
207 | { |
---|
208 | } |
---|
209 | |
---|
210 | |
---|
211 | /*! |
---|
212 | * Checks whether this is connected to a server or a client |
---|
213 | * and afterwards creates the needed entity |
---|
214 | * @param classID: The ID of the class of which an entity should be created |
---|
215 | */ |
---|
216 | void NetworkGameManager::createEntity( ClassID classID, int owner ) |
---|
217 | { |
---|
218 | if ( this->isServer() ) |
---|
219 | { |
---|
220 | if ( newUniqueID < 0 ) |
---|
221 | { |
---|
222 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
---|
223 | return; |
---|
224 | } |
---|
225 | |
---|
226 | this->executeCreateEntity( classID, newUniqueID++, owner ); |
---|
227 | } |
---|
228 | else |
---|
229 | { |
---|
230 | this->requestCreateEntity( classID ); |
---|
231 | } |
---|
232 | } |
---|
233 | |
---|
234 | |
---|
235 | /*! |
---|
236 | * Checks whether this is connected to a server or a client |
---|
237 | * and afterwards creates the needed entity |
---|
238 | * @param classID: The ID of the class of which an entity should be created |
---|
239 | */ |
---|
240 | BaseObject* NetworkGameManager::createEntity(const TiXmlElement* element) |
---|
241 | { |
---|
242 | if ( this->isServer() ) |
---|
243 | { |
---|
244 | if ( newUniqueID < 0 ) |
---|
245 | { |
---|
246 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
---|
247 | return NULL; |
---|
248 | } |
---|
249 | newUniqueID++; |
---|
250 | |
---|
251 | BaseObject * b = Factory::fabricate( element ); |
---|
252 | |
---|
253 | if ( !b ) |
---|
254 | { |
---|
255 | PRINTF(1)("Could not fabricate Object with className %s\n", element->Value() ); |
---|
256 | return NULL; |
---|
257 | } |
---|
258 | |
---|
259 | |
---|
260 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
---|
261 | { |
---|
262 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
---|
263 | s->setUniqueID( newUniqueID ); |
---|
264 | s->setOwner( 0 ); |
---|
265 | this->networkStream->connectSynchronizeable( *s ); |
---|
266 | return b; |
---|
267 | } |
---|
268 | else |
---|
269 | { |
---|
270 | PRINTF(1)("Class %s is not a synchronizeable!\n", b->getClassName() ); |
---|
271 | delete b; |
---|
272 | } |
---|
273 | } |
---|
274 | else |
---|
275 | { |
---|
276 | PRINTF(1)("This node is not a server and cannot create id %x\n", element->Value()); |
---|
277 | } |
---|
278 | return NULL; |
---|
279 | } |
---|
280 | |
---|
281 | |
---|
282 | /*! |
---|
283 | * Checks whether this is connected to a server or a client |
---|
284 | * and afterwards removes the specified entity |
---|
285 | * @param uniqueID: The ID of the entity object which should be removed |
---|
286 | */ |
---|
287 | void NetworkGameManager::removeEntity(int uniqueID) |
---|
288 | { |
---|
289 | if ( this->isServer() ) |
---|
290 | { |
---|
291 | this->executeRemoveEntity( uniqueID ); |
---|
292 | } |
---|
293 | else |
---|
294 | { |
---|
295 | this->requestRemoveEntity( uniqueID ); |
---|
296 | } |
---|
297 | } |
---|
298 | |
---|
299 | |
---|
300 | |
---|
301 | /*! |
---|
302 | * Creates the needed entity on the server if possible |
---|
303 | * @param classID: The ID of the class of which an entity should be created |
---|
304 | */ |
---|
305 | void NetworkGameManager::requestCreateEntity(ClassID classID) |
---|
306 | { |
---|
307 | if ( !writeToClientBuffer( allOutBuffer, (byte)REQUEST_CREATE ) ) |
---|
308 | return; |
---|
309 | if ( !writeToClientBuffer( allOutBuffer, (int)classID ) ) |
---|
310 | return; |
---|
311 | } |
---|
312 | |
---|
313 | /*! |
---|
314 | * Removes the specified entity on the server |
---|
315 | * @param uniqueID: The ID of the entity object which should be removed |
---|
316 | */ |
---|
317 | void NetworkGameManager::requestRemoveEntity(int uniqueID) |
---|
318 | { |
---|
319 | if ( !writeToClientBuffer( allOutBuffer, (byte)REQUEST_REMOVE ) ) |
---|
320 | return; |
---|
321 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
---|
322 | return; |
---|
323 | } |
---|
324 | |
---|
325 | /*! |
---|
326 | * Creates the needed entity if possible |
---|
327 | * This function is called if this is a server |
---|
328 | * @param classID: The ID of the class of which an entity should be created |
---|
329 | */ |
---|
330 | void NetworkGameManager::executeCreateEntity(ClassID classID, int uniqueID, int owner) |
---|
331 | { |
---|
332 | if ( !writeToClientBuffer( allOutBuffer, (byte)CREATE_ENTITY ) ) |
---|
333 | return; |
---|
334 | if ( !writeToClientBuffer( allOutBuffer, (int)classID ) ) |
---|
335 | return; |
---|
336 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
---|
337 | return; |
---|
338 | if ( !writeToClientBuffer( allOutBuffer, owner ) ) |
---|
339 | return; |
---|
340 | |
---|
341 | doCreateEntity( classID, uniqueID, owner ); |
---|
342 | } |
---|
343 | |
---|
344 | /*! |
---|
345 | * Removes the specified entity |
---|
346 | * This function is called if this is a server |
---|
347 | * @param uniqueID: The ID of the entity object which should be removed |
---|
348 | */ |
---|
349 | void NetworkGameManager::executeRemoveEntity(int uniqueID) |
---|
350 | { |
---|
351 | if ( !writeToClientBuffer( allOutBuffer, (byte)REMOVE_ENTITY ) ) |
---|
352 | return; |
---|
353 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
---|
354 | return; |
---|
355 | |
---|
356 | doRemoveEntity(uniqueID); |
---|
357 | } |
---|
358 | |
---|
359 | /*! |
---|
360 | * Checks whether it is possible to create an entity of a given class |
---|
361 | * @return: true if the entity can be created, false otherwise |
---|
362 | */ |
---|
363 | bool NetworkGameManager::canCreateEntity(ClassID classID) |
---|
364 | { |
---|
365 | return true; |
---|
366 | } |
---|
367 | |
---|
368 | /*! |
---|
369 | * Sends the Entities to the new connected client |
---|
370 | * @param userID: The ID of the user |
---|
371 | */ |
---|
372 | void NetworkGameManager::sendEntityList( int userID ) |
---|
373 | { |
---|
374 | if ( !isServer() ) |
---|
375 | return; |
---|
376 | |
---|
377 | if ( userID >= outBuffer.size() ) |
---|
378 | resizeBufferVector( userID ); |
---|
379 | |
---|
380 | SynchronizeableList::const_iterator it, e; |
---|
381 | |
---|
382 | it = this->networkStream->getSyncBegin(); |
---|
383 | e = this->networkStream->getSyncEnd(); |
---|
384 | |
---|
385 | if ( !writeToClientBuffer( outBuffer[userID], (byte)CREATE_ENTITY_LIST ) ) |
---|
386 | return; |
---|
387 | |
---|
388 | // -2 because you must not send network_game_manager and handshake |
---|
389 | if ( !writeToClientBuffer( outBuffer[userID], networkStream->getSyncCount() ) ) |
---|
390 | return; |
---|
391 | |
---|
392 | //PRINTF(0)("SendEntityList: n = %d\n", networkStream->getSyncCount()-2 ); |
---|
393 | |
---|
394 | while ( it != e ) |
---|
395 | { |
---|
396 | |
---|
397 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getLeafClassID()) ) ) |
---|
398 | return; |
---|
399 | //PRINTF(0)("SendEntityList: ClassID = %x\n", (*it)->getRealClassID()); |
---|
400 | |
---|
401 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getUniqueID()) ) ) |
---|
402 | return; |
---|
403 | |
---|
404 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getOwner()) ) ) |
---|
405 | return; |
---|
406 | |
---|
407 | it++; |
---|
408 | } |
---|
409 | |
---|
410 | |
---|
411 | } |
---|
412 | |
---|
413 | /** |
---|
414 | * Creates a buffer for user n |
---|
415 | * @param n The ID of the user |
---|
416 | */ |
---|
417 | void NetworkGameManager::resizeBufferVector( int n ) |
---|
418 | { |
---|
419 | for ( int i = outBuffer.size(); i<=n; i++) |
---|
420 | { |
---|
421 | clientBuffer outBuf; |
---|
422 | |
---|
423 | outBuf.length = 0; |
---|
424 | |
---|
425 | outBuf.maxLength = 5*1024; |
---|
426 | |
---|
427 | outBuf.buffer = new byte[5*1014]; |
---|
428 | |
---|
429 | outBuffer.push_back(outBuf); |
---|
430 | } |
---|
431 | } |
---|
432 | |
---|
433 | /** |
---|
434 | * Creates the entity on this host |
---|
435 | * @param classID: ClassID of the entity to create |
---|
436 | * @param uniqueID: Unique ID to assign to the synchronizeable |
---|
437 | * @param owner: owner of this synchronizealbe |
---|
438 | */ |
---|
439 | void NetworkGameManager::doCreateEntity( ClassID classID, int uniqueID, int owner ) |
---|
440 | { |
---|
441 | BaseObject * b = Factory::fabricate( classID ); |
---|
442 | |
---|
443 | if ( !b ) |
---|
444 | { |
---|
445 | PRINTF(1)("Could not fabricate Object with classID %x\n", classID); |
---|
446 | return; |
---|
447 | } |
---|
448 | |
---|
449 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
---|
450 | { |
---|
451 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
---|
452 | s->setUniqueID( uniqueID ); |
---|
453 | s->setOwner( owner ); |
---|
454 | this->networkStream->connectSynchronizeable( *s ); |
---|
455 | if ( !isServer() ) |
---|
456 | s->setIsOutOfSync( true ); |
---|
457 | PRINTF(0)("Fabricated %s with id %d\n", s->getClassName(), s->getUniqueID()); |
---|
458 | } |
---|
459 | else |
---|
460 | { |
---|
461 | PRINTF(1)("Class with ID %x is not a synchronizeable!", (int)classID); |
---|
462 | delete b; |
---|
463 | } |
---|
464 | } |
---|
465 | |
---|
466 | /** |
---|
467 | * Removes a entity on this host |
---|
468 | * @param uniqueID: unique ID assigned with the entity to remove |
---|
469 | */ |
---|
470 | void NetworkGameManager::doRemoveEntity( int uniqueID ) |
---|
471 | { |
---|
472 | SynchronizeableList::const_iterator it,e; |
---|
473 | it = this->networkStream->getSyncBegin(); |
---|
474 | e = this->networkStream->getSyncEnd(); |
---|
475 | |
---|
476 | while ( it != e ) |
---|
477 | { |
---|
478 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
479 | { |
---|
480 | delete *it; |
---|
481 | break; |
---|
482 | } |
---|
483 | it++; |
---|
484 | } |
---|
485 | } |
---|
486 | |
---|
487 | /** |
---|
488 | * Tell the synchronizeable that a user's synchronizeable is out of sync |
---|
489 | * @param uniqueID: unique ID assigned with the entity which is out of sync |
---|
490 | * @param userID: user ID who's synchronizeable is out of sync |
---|
491 | */ |
---|
492 | void NetworkGameManager::doRequestSync( int uniqueID, int userID ) |
---|
493 | { |
---|
494 | SynchronizeableList::const_iterator it,e; |
---|
495 | it = this->networkStream->getSyncBegin(); |
---|
496 | e = this->networkStream->getSyncEnd(); |
---|
497 | |
---|
498 | while ( it != e ) |
---|
499 | { |
---|
500 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
501 | { |
---|
502 | (*it)->requestSync( userID ); |
---|
503 | break; |
---|
504 | } |
---|
505 | it++; |
---|
506 | } |
---|
507 | } |
---|
508 | |
---|
509 | /** |
---|
510 | * Copies length bytes to the clientBuffer with error checking |
---|
511 | * @param clientBuffer: the clientBuffer to write to |
---|
512 | * @param data: buffer to the data |
---|
513 | * @param length: length of data |
---|
514 | * @return false on error true else |
---|
515 | */ |
---|
516 | bool NetworkGameManager::writeToClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
517 | { |
---|
518 | if ( length > cb.maxLength-cb.length ) |
---|
519 | { |
---|
520 | PRINTF(1)("No space left in clientBuffer\n"); |
---|
521 | return false; |
---|
522 | } |
---|
523 | |
---|
524 | memcpy( cb.buffer+cb.length, data, length ); |
---|
525 | return true; |
---|
526 | } |
---|
527 | |
---|
528 | /** |
---|
529 | * Reads data from clientBuffer with error checking |
---|
530 | * @param clientBuffer: the clientBuffer to read from |
---|
531 | * @param data: pointer to the buffer |
---|
532 | * @param length: |
---|
533 | * @return |
---|
534 | */ |
---|
535 | bool NetworkGameManager::readFromClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
536 | { |
---|
537 | if ( cb.length < length ) |
---|
538 | { |
---|
539 | PRINTF(0)("There is not enough data in clientBuffer\n"); |
---|
540 | return 0; |
---|
541 | } |
---|
542 | |
---|
543 | memcpy( data, cb.buffer+cb.length-length, length ); |
---|
544 | return true; |
---|
545 | } |
---|
546 | |
---|
547 | /** |
---|
548 | * Tells this client that he has to control this entity |
---|
549 | * @param uniqueID: the entity's uniqeID |
---|
550 | */ |
---|
551 | void NetworkGameManager::doYouAre( int uniqueID ) |
---|
552 | { |
---|
553 | //TODO: what has to be done |
---|
554 | } |
---|
555 | |
---|
556 | /** |
---|
557 | * Tells a remote client that he has to control this entity |
---|
558 | * @param uniqueID: the entity's uniqeID |
---|
559 | * @param userID: the users ID |
---|
560 | */ |
---|
561 | void NetworkGameManager::sendYouAre( int uniqueID, int userID ) |
---|
562 | { |
---|
563 | if ( !isServer() ) |
---|
564 | return; |
---|
565 | |
---|
566 | if ( userID != 0 ) |
---|
567 | { |
---|
568 | if ( !writeToClientBuffer( outBuffer[userID], (byte)YOU_ARE_ENTITY ) ) |
---|
569 | return; |
---|
570 | |
---|
571 | if ( !writeToClientBuffer( outBuffer[userID], uniqueID ) ) |
---|
572 | return; |
---|
573 | } |
---|
574 | else |
---|
575 | { |
---|
576 | doYouAre(uniqueID); |
---|
577 | } |
---|
578 | } |
---|
579 | |
---|
580 | bool NetworkGameManager::handleRequestCreate( int & i, const byte * data, int length, int sender ) |
---|
581 | { |
---|
582 | if ( INTSIZE > length-i ) |
---|
583 | { |
---|
584 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
585 | return false; |
---|
586 | } |
---|
587 | int classID; |
---|
588 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
589 | |
---|
590 | createEntity( (ClassID)classID ); |
---|
591 | |
---|
592 | return true; |
---|
593 | } |
---|
594 | |
---|
595 | bool NetworkGameManager::handleRequestRemove( int & i, const byte * data, int length, int sender ) |
---|
596 | { |
---|
597 | if ( INTSIZE > length-i ) |
---|
598 | { |
---|
599 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
600 | return false; |
---|
601 | } |
---|
602 | int uniqueID; |
---|
603 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
604 | |
---|
605 | removeEntity( uniqueID ); |
---|
606 | |
---|
607 | return true; |
---|
608 | } |
---|
609 | |
---|
610 | bool NetworkGameManager::handleCreateEntity( int & i, const byte * data, int length, int sender ) |
---|
611 | { |
---|
612 | if ( INTSIZE > length-i ) |
---|
613 | { |
---|
614 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
615 | return false; |
---|
616 | } |
---|
617 | int classID; |
---|
618 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
619 | |
---|
620 | if ( INTSIZE > length-i ) |
---|
621 | { |
---|
622 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
623 | return false; |
---|
624 | } |
---|
625 | int uniqueID; |
---|
626 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
627 | |
---|
628 | if ( INTSIZE > length-i ) |
---|
629 | { |
---|
630 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
631 | return false; |
---|
632 | } |
---|
633 | int owner; |
---|
634 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
635 | |
---|
636 | doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
637 | |
---|
638 | return true; |
---|
639 | } |
---|
640 | |
---|
641 | bool NetworkGameManager::handleRemoveEntity( int & i, const byte * data, int length, int sender ) |
---|
642 | { |
---|
643 | if ( INTSIZE > length-i ) |
---|
644 | { |
---|
645 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
646 | return false; |
---|
647 | } |
---|
648 | int uniqueID; |
---|
649 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
650 | |
---|
651 | doRemoveEntity( uniqueID ); |
---|
652 | |
---|
653 | return true; |
---|
654 | } |
---|
655 | |
---|
656 | bool NetworkGameManager::handleCreateEntityList( int & i, const byte * data, int length, int sender ) |
---|
657 | { |
---|
658 | if ( INTSIZE > length-i ) |
---|
659 | { |
---|
660 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
661 | return false; |
---|
662 | } |
---|
663 | |
---|
664 | PRINTF(0)("HandleCreateEntityList: data[i..i+3] = %d %d %d %d\n", data[i], data[i+1], data[i+2], data[i+3]); |
---|
665 | |
---|
666 | int n; |
---|
667 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
668 | |
---|
669 | |
---|
670 | PRINTF(0)("HandleCreateEntityList: n = %d\n", n); |
---|
671 | |
---|
672 | int classID, uniqueID, owner; |
---|
673 | |
---|
674 | for ( int j = 0; j<n; j++ ) |
---|
675 | { |
---|
676 | |
---|
677 | if ( INTSIZE > length-i ) |
---|
678 | { |
---|
679 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
680 | return false; |
---|
681 | } |
---|
682 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
683 | |
---|
684 | if ( INTSIZE > length-i ) |
---|
685 | { |
---|
686 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
687 | return false; |
---|
688 | } |
---|
689 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
690 | |
---|
691 | if ( INTSIZE > length-i ) |
---|
692 | { |
---|
693 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
694 | return false; |
---|
695 | } |
---|
696 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
697 | |
---|
698 | if ( classID != CL_NETWORK_GAME_MANAGER && classID != CL_HANDSHAKE ) |
---|
699 | doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
700 | |
---|
701 | } |
---|
702 | PNode::getNullParent()->debugNode( 0 ); |
---|
703 | return true; |
---|
704 | } |
---|
705 | |
---|
706 | bool NetworkGameManager::handleRemoveEntityList( int & i, const byte * data, int length, int sender ) |
---|
707 | { |
---|
708 | if ( INTSIZE > length-i ) |
---|
709 | { |
---|
710 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
711 | return false; |
---|
712 | } |
---|
713 | int n; |
---|
714 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
715 | |
---|
716 | int uniqueID; |
---|
717 | |
---|
718 | for ( int j = 0; j<n; j++ ) |
---|
719 | { |
---|
720 | |
---|
721 | if ( INTSIZE > length-i ) |
---|
722 | { |
---|
723 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
724 | return false; |
---|
725 | } |
---|
726 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
727 | |
---|
728 | doRemoveEntity( uniqueID ); |
---|
729 | } |
---|
730 | |
---|
731 | return true; |
---|
732 | } |
---|
733 | |
---|
734 | bool NetworkGameManager::handleYouAreEntity( int & i, const byte * data, int length, int sender ) |
---|
735 | { |
---|
736 | if ( INTSIZE > length-i ) |
---|
737 | { |
---|
738 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
739 | return false; |
---|
740 | } |
---|
741 | |
---|
742 | int uniqueID; |
---|
743 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
744 | |
---|
745 | doYouAre( uniqueID ); |
---|
746 | |
---|
747 | return true; |
---|
748 | } |
---|
749 | |
---|
750 | bool NetworkGameManager::handleRequestSync( int & i, const byte * data, int length, int sender ) |
---|
751 | { |
---|
752 | if ( INTSIZE > length-i ) |
---|
753 | { |
---|
754 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
755 | return false; |
---|
756 | } |
---|
757 | int uniqueID; |
---|
758 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
759 | |
---|
760 | doRequestSync( uniqueID, sender ); |
---|
761 | |
---|
762 | return true; |
---|
763 | } |
---|
764 | |
---|
765 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, byte b ) |
---|
766 | { |
---|
767 | if ( cb.maxLength-cb.length < 1 ) |
---|
768 | { |
---|
769 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 byte\n"); |
---|
770 | return false; |
---|
771 | } |
---|
772 | |
---|
773 | cb.buffer[cb.length++] = b; |
---|
774 | |
---|
775 | return true; |
---|
776 | } |
---|
777 | |
---|
778 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, int i ) |
---|
779 | { |
---|
780 | int n = Converter::intToByteArray( i, cb.buffer+cb.length, cb.maxLength-cb.length ); |
---|
781 | cb.length += n; |
---|
782 | |
---|
783 | if ( n <= 0 ) |
---|
784 | { |
---|
785 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 int\n"); |
---|
786 | return false; |
---|
787 | } |
---|
788 | |
---|
789 | return true; |
---|
790 | } |
---|
791 | |
---|
792 | void NetworkGameManager::sync( int uniqueID, int owner ) |
---|
793 | { |
---|
794 | if ( owner==this->getHostID() ) |
---|
795 | return; |
---|
796 | |
---|
797 | if ( !isServer() ) |
---|
798 | executeRequestSync( uniqueID, 0 ); |
---|
799 | else |
---|
800 | executeRequestSync( uniqueID, owner ); |
---|
801 | } |
---|
802 | |
---|
803 | void NetworkGameManager::executeRequestSync( int uniqueID, int user ) |
---|
804 | { |
---|
805 | if ( user >= outBuffer.size() ) |
---|
806 | resizeBufferVector( user ); |
---|
807 | |
---|
808 | if ( !writeToClientBuffer( outBuffer[user], (byte)REQUEST_SYNC ) ) |
---|
809 | return; |
---|
810 | if ( !writeToClientBuffer( outBuffer[user], uniqueID ) ) |
---|
811 | return; |
---|
812 | } |
---|
813 | |
---|